Re: Planning Ring Mains and Circuits

[Ben McCormack <yahoogroup@xxxxxxxxxxxxxxxxxxx>]

Jon

My plan is to try and do lots of the cable runs and chasing etc and
then use a proper electrician for the new fuse box etc.

Was going to speak to Ben Addison about it all.

Just trying to think about the overall design and cable runs.

Ben

On 23 Mar 2008, at 14:31, Jon Wilkins wrote:

> ** Disclaimer - I'm not a electrician, just a householder that's
> done some
> reading **
>
> - I dont think there is a socket limit per circuit, other than what
> would be
> sensible to keep total current drawn below the circuit's protection
> rating
> at the fusebox (32A for a ring final, 20A/32A for a radial, IIRC).
> - Often it's suggested to have fridge & freezer on their own
> circuit(s) -
> idea being you dont want these to go off if something else trips
> your RCD
> while you are away.
>
> Also, assuming you are in England or Wales:
> - This would be classed as "notifiable" -- meaning there is
a legal
> requirement for either you have to go through building control or
> get in a
> part-p registered electrician
> - If you're intending to DIY the original re-wire you need to learn
> up on
> the wiring regs & building control side of things.
> - Even if you are just going to DIY some of the HA later in the
> future then
> it would be a good idea to read-up know so you understand what you
> can/can't
> do without the hassle & expense of involving your council's
building
> control. You can then keep this in mind when the electrician or you
> designs
> the original re-wire.
>
> Question about re-wires often come up on the forum at
"diynot.com".
> Might
> be worth a look - they likely wont understand the HA side though and
> some
> will vociferously suggest you should get a spark to do it all, but
> others
> will give lots of good advice. (no connection, just read it
> occasionally &
> have learned a lot from it)
>
> jon
>
> On Sun, Mar 23, 2008 at 2:02 PM, Ben McCormack <
> yahoogroup@xxxxxxx> wrote:
>
> > Hi All
> >
> > I am starting to think about the planning of the ring mains
within
> the
> > house. Lighting will probably be an automated system (CBUS) so
the
> > wiring for that is all taken care of.
> >
> > The whole house will be gutted and I am intending to run new Ring
> > Mains for sockets. House is about 240sq m.
> >
> > Are there any guidelines?
> >
> > I know each ring main cannot cover more than 100sq m.
> > Any idea on the maximum double outlets on each ring?
> >
> > Here are my thoughts
> >
> > Kitchen Ring main
> > Dedicated Ring for HiFi - Stopping interference
> > Ring Main for Node 0 Wiring Cabinet and Servers
> > Circuit for Outside Sockets
> > Circuit for Cooker
> > Circuit for Immersion Heater
> > Upstairs Ring main
> > Downstairs Ring main
> >
> > Anything I have missed?
> >
> > regards
> > Ben
> >
> >
>
> --
> www.jpdw.org / Information : The currency of the Future
>
> [Non-text portions of this message have been removed]
>
>
>



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